Which of the following statements apply to VAP and respiratory therapy equipment? I. Patients are more likely to develop VAP from secretions aspirated past the ETT cuff than through the ETT. II. HMEs and heated tubing have no difference in VAP rates. III. Drugs aerosolized in-line may become contaminated by reflux of tubing condensate. IV. Closed suction systems reduce the incidence of VAP
compared with open system suction catheters.
A. I, III only
B. I, II, III only
C. I, III, IV only
D. I, II, III, IV
?ANS: B
A. Incorrect response: See explanation B.
B. Correct response: Ventilator tubing, humidifiers, in-line medication nebulizers, and suction catheters play a role in the development of VAP. Patients are more likely to develop VAP from secretions aspirated past the ETT cuff than through the ETT. No difference exists between heated tubing and HMEs in terms of risk of developing VAP. In-line medication nebulizers may become contaminated by reflux of tubing condensate. Closed system and open system suction catheters have the same rate of incidence of VAP.
C. Incorrect response: See explanation B.
D. Incorrect response: See explanation B
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